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Abstract

Thirty-one 4th and 5th grade subjects were tested using the Developmental Eye Movement Test (DEM). A test- retest schedule of four trials, with two sessions of two back to back trials each, separated by one week was performed. An Analysis of Variance (ANOVA) of times for each of the four trials showed significant differences in performance times between trials during session one when compared to trials during session two (one week later). No significant difference in time was found between trials 1 and 2 or 3 and 4 (the back to back trials). There was no significant difference in errors between any trials. A plateau in performance was reached after trial 3 (first trial of second session). A learning effect is indicated requiring a retest with a one week interval between trials to determine true baseline performance.